13123716 has 24 divisors (see below), whose sum is σ = 31274880. Its totient is φ = 4281312.

The previous prime is 13123697. The next prime is 13123727. The reversal of 13123716 is 61732131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11071 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (1303120).

Almost surely, 2^13123716 is an apocalyptic number.

It is an amenable number.

13123716 is an abundant number, since it is smaller than the sum of its proper divisors (18151164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123716 is a wasteful number, since it uses less digits than its factorization.

13123716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323 (or 23321 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 13123716 is about 3622.6669733775. Note that the first 3 decimals coincide. The cubic root of 13123716 is about 235.8770066773.

Adding to 13123716 its reverse (61732131), we get a palindrome (74855847).

The spelling of 13123716 in words is "thirteen million, one hundred twenty-three thousand, seven hundred sixteen".