12602131 has 4 divisors (see below), whose sum is σ = 12654664. Its totient is φ = 12549600.

The previous prime is 12602123. The next prime is 12602147. The reversal of 12602131 is 13120621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12602131 - 2³ = 12602123 is a prime.

It is a super-2 number, since 2×12602131² = 317627411482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12602101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25905 + ... + 26386.

It is an arithmetic number, because the mean of its divisors is an integer number (3163666).

Almost surely, 2^12602131 is an apocalyptic number.

12602131 is a deficient number, since it is larger than the sum of its proper divisors (52533).

12602131 is an equidigital number, since it uses as much as digits as its factorization.

12602131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52532.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12602131 is about 3549.9480277886. The cubic root of 12602131 is about 232.7097948346.

Adding to 12602131 its reverse (13120621), we get a palindrome (25722752).

The spelling of 12602131 in words is "twelve million, six hundred two thousand, one hundred thirty-one".