13769913 has 4 divisors (see below), whose sum is σ = 18359888. Its totient is φ = 9179940.

The previous prime is 13769911. The next prime is 13769923. The reversal of 13769913 is 31996731.

13769913 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13769913 - 2¹ = 13769911 is a prime.

It is a super-2 number, since 2×13769913² = 379221008055138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13769911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294983 + ... + 2294988.

It is an arithmetic number, because the mean of its divisors is an integer number (4589972).

Almost surely, 2^13769913 is an apocalyptic number.

It is an amenable number.

13769913 is a deficient number, since it is larger than the sum of its proper divisors (4589975).

13769913 is an equidigital number, since it uses as much as digits as its factorization.

13769913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589974.

The product of its digits is 30618, while the sum is 39.

The square root of 13769913 is about 3710.7833404822. The cubic root of 13769913 is about 239.6865874249.

The spelling of 13769913 in words is "thirteen million, seven hundred sixty-nine thousand, nine hundred thirteen".