12913933 has 2 divisors, whose sum is σ = 12913934. Its totient is φ = 12913932.

The previous prime is 12913921. The next prime is 12913969. The reversal of 12913933 is 33931921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 544644 = 3517^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12913933 - 2²¹ = 10816781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12913895 and 12913904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12913913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456966 + 6456967.

It is an arithmetic number, because the mean of its divisors is an integer number (6456967).

Almost surely, 2^12913933 is an apocalyptic number.

It is an amenable number.

12913933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913933 is an equidigital number, since it uses as much as digits as its factorization.

12913933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 31.

The square root of 12913933 is about 3593.5961097486. The cubic root of 12913933 is about 234.6134160103.

The spelling of 12913933 in words is "twelve million, nine hundred thirteen thousand, nine hundred thirty-three".