12152961 has 24 divisors (see below), whose sum is σ = 18560256. Its totient is φ = 7650720.

The previous prime is 12152941. The next prime is 12152971. The reversal of 12152961 is 16925121.

It is not a de Polignac number, because 12152961 - 2⁶ = 12152897 is a prime.

It is a super-2 number, since 2×12152961² = 295388922135042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12152941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11491 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (773344).

Almost surely, 2^12152961 is an apocalyptic number.

It is an amenable number.

12152961 is a deficient number, since it is larger than the sum of its proper divisors (6407295).

12152961 is a wasteful number, since it uses less digits than its factorization.

12152961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1090 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 12152961 is about 3486.1097228860. The cubic root of 12152961 is about 229.9115034459.

The spelling of 12152961 in words is "twelve million, one hundred fifty-two thousand, nine hundred sixty-one".