10551312 has 60 divisors (see below), whose sum is σ = 30176640. Its totient is φ = 3440064.

The previous prime is 10551301. The next prime is 10551323. The reversal of 10551312 is 21315501.

It is an interprime number because it is at equal distance from previous prime (10551301) and next prime (10551323).

It is a super-2 number, since 2×10551312² = 222660369842688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5989 + ... + 7547.

It is an arithmetic number, because the mean of its divisors is an integer number (502944).

Almost surely, 2^10551312 is an apocalyptic number.

10551312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10551312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15088320).

10551312 is an abundant number, since it is smaller than the sum of its proper divisors (19625328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10551312 is a wasteful number, since it uses less digits than its factorization.

10551312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 10551312 is about 3248.2783131992. The cubic root of 10551312 is about 219.3320789237.

Adding to 10551312 its reverse (21315501), we get a palindrome (31866813).

The spelling of 10551312 in words is "ten million, five hundred fifty-one thousand, three hundred twelve".