1260650412 has 96 divisors (see below), whose sum is σ = 3773987840. Its totient is φ = 356451840.

The previous prime is 1260650341. The next prime is 1260650423. The reversal of 1260650412 is 2140560621.

1260650412 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 650 + 4 + 1 + 2 = 666.

It is a super-2 number, since 2×1260650412² = 3178478922551539488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64737 + ... + 81927.

Almost surely, 2^1260650412 is an apocalyptic number.

1260650412 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 1260650412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886993920).

1260650412 is an abundant number, since it is smaller than the sum of its proper divisors (2513337428).

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

1260650412 is a wasteful number, since it uses less digits than its factorization.

1260650412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17308 (or 17300 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1260650412 is about 35505.6391577451. The cubic root of 1260650412 is about 1080.2681124473.

The spelling of 1260650412 in words is "one billion, two hundred sixty million, six hundred fifty thousand, four hundred twelve".