13928792 has 8 divisors (see below), whose sum is σ = 26116500. Its totient is φ = 6964392.

The previous prime is 13928791. The next prime is 13928833. The reversal of 13928792 is 29782931.

It is a happy number.

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

It is a super-2 number, since 2×13928792² = 388022493158528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870542 + ... + 870557.

Almost surely, 2^13928792 is an apocalyptic number.

It is an amenable number.

13928792 is a deficient number, since it is larger than the sum of its proper divisors (12187708).

13928792 is a wasteful number, since it uses less digits than its factorization.

13928792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741105 (or 1741101 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 13928792 is about 3732.1296869214. The cubic root of 13928792 is about 240.6049092575.

The spelling of 13928792 in words is "thirteen million, nine hundred twenty-eight thousand, seven hundred ninety-two".