13948904 has 8 divisors (see below), whose sum is σ = 26154210. Its totient is φ = 6974448.

The previous prime is 13948903. The next prime is 13948919. The reversal of 13948904 is 40984931.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 2402500 = 3398^2 + 1550^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13948901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871799 + ... + 871814.

Almost surely, 2^13948904 is an apocalyptic number.

It is an amenable number.

13948904 is a deficient number, since it is larger than the sum of its proper divisors (12205306).

13948904 is a wasteful number, since it uses less digits than its factorization.

13948904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743619 (or 1743615 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 13948904 is about 3734.8231551173. The cubic root of 13948904 is about 240.7206579586.

The spelling of 13948904 in words is "thirteen million, nine hundred forty-eight thousand, nine hundred four".