13908772 has 6 divisors (see below), whose sum is σ = 24340358. Its totient is φ = 6954384.

The previous prime is 13908751. The next prime is 13908803. The reversal of 13908772 is 27780931.

It can be written as a sum of positive squares in only one way, i.e., 9884736 + 4024036 = 3144^2 + 2006^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1738593 + ... + 1738600.

Almost surely, 2^13908772 is an apocalyptic number.

It is an amenable number.

13908772 is a deficient number, since it is larger than the sum of its proper divisors (10431586).

13908772 is a wasteful number, since it uses less digits than its factorization.

13908772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477197 (or 3477195 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 13908772 is about 3729.4466077422. The cubic root of 13908772 is about 240.4895793250.

The spelling of 13908772 in words is "thirteen million, nine hundred eight thousand, seven hundred seventy-two".