13121692 has 6 divisors (see below), whose sum is σ = 22962968. Its totient is φ = 6560844.

The previous prime is 13121683. The next prime is 13121729. The reversal of 13121692 is 29612131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640208 + ... + 1640215.

Almost surely, 2^13121692 is an apocalyptic number.

It is an amenable number.

13121692 is a deficient number, since it is larger than the sum of its proper divisors (9841276).

13121692 is a wasteful number, since it uses less digits than its factorization.

13121692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280427 (or 3280425 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 13121692 is about 3622.3876104028. The cubic root of 13121692 is about 235.8648800406.

The spelling of 13121692 in words is "thirteen million, one hundred twenty-one thousand, six hundred ninety-two".