13912072 has 8 divisors (see below), whose sum is σ = 26085150. Its totient is φ = 6956032.

The previous prime is 13912061. The next prime is 13912099. The reversal of 13912072 is 27021931.

It can be written as a sum of positive squares in only one way, i.e., 12859396 + 1052676 = 3586^2 + 1026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869497 + ... + 869512.

Almost surely, 2^13912072 is an apocalyptic number.

It is an amenable number.

13912072 is a deficient number, since it is larger than the sum of its proper divisors (12173078).

13912072 is a wasteful number, since it uses less digits than its factorization.

13912072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739015 (or 1739011 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 13912072 is about 3729.8890063915. The cubic root of 13912072 is about 240.5085973676.

The spelling of 13912072 in words is "thirteen million, nine hundred twelve thousand, seventy-two".