13720612 has 24 divisors (see below), whose sum is σ = 24745952. Its totient is φ = 6652800.

The previous prime is 13720591. The next prime is 13720613. The reversal of 13720612 is 21602731.

It is not an unprimeable number, because it can be changed into a prime (13720613) 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, 41287 + ... + 41617.

Almost surely, 2^13720612 is an apocalyptic number.

It is an amenable number.

13720612 is a deficient number, since it is larger than the sum of its proper divisors (11025340).

13720612 is a wasteful number, since it uses less digits than its factorization.

13720612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13720612 is about 3704.1344468040. The cubic root of 13720612 is about 239.4001920236.

It can be divided in two parts, 13 and 720612, that multiplied together give a triangular number (9367956 = T₄₃₂₈).

The spelling of 13720612 in words is "thirteen million, seven hundred twenty thousand, six hundred twelve".