12902961 has 8 divisors (see below), whose sum is σ = 17291200. Its totient is φ = 8558352.

The previous prime is 12902959. The next prime is 12902993. The reversal of 12902961 is 16920921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12902961 - 2¹ = 12902959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12902951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10210 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (2161400).

Almost surely, 2^12902961 is an apocalyptic number.

It is an amenable number.

12902961 is a deficient number, since it is larger than the sum of its proper divisors (4388239).

12902961 is a wasteful number, since it uses less digits than its factorization.

12902961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21815.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 12902961 is about 3592.0691808483. The cubic root of 12902961 is about 234.5469527113.

The spelling of 12902961 in words is "twelve million, nine hundred two thousand, nine hundred sixty-one".