12151464 has 128 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 3354624.

The previous prime is 12151459. The next prime is 12151471. The reversal of 12151464 is 46415121.

It is a happy number.

12151464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153777 + ... + 153855.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^12151464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12151464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18144000).

12151464 is an abundant number, since it is smaller than the sum of its proper divisors (24136536).

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

12151464 is a wasteful number, since it uses less digits than its factorization.

12151464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 143 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 12151464 is about 3485.8950070247. The cubic root of 12151464 is about 229.9020629029.

Adding to 12151464 its reverse (46415121), we get a palindrome (58566585).

The spelling of 12151464 in words is "twelve million, one hundred fifty-one thousand, four hundred sixty-four".