13892769 has 32 divisors (see below), whose sum is σ = 23241600. Its totient is φ = 8124480.

The previous prime is 13892761. The next prime is 13892771. The reversal of 13892769 is 96729831.

It is not a de Polignac number, because 13892769 - 2³ = 13892761 is a prime.

It is a super-2 number, since 2×13892769² = 386018060974722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13892761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7807 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (726300).

Almost surely, 2^13892769 is an apocalyptic number.

It is an amenable number.

13892769 is a deficient number, since it is larger than the sum of its proper divisors (9348831).

13892769 is a wasteful number, since it uses less digits than its factorization.

13892769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1656 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 13892769 is about 3727.3004976793. The cubic root of 13892769 is about 240.3973106547.

The spelling of 13892769 in words is "thirteen million, eight hundred ninety-two thousand, seven hundred sixty-nine".