13957069 has 16 divisors (see below), whose sum is σ = 16536960. Its totient is φ = 11531520.

The previous prime is 13957063. The next prime is 13957079. The reversal of 13957069 is 96075931.

It is not a de Polignac number, because 13957069 - 2³ = 13957061 is a prime.

It is a super-2 number, since 2×13957069² = 389599550141522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13957061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26529 + ... + 27049.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 2^13957069 is an apocalyptic number.

It is an amenable number.

13957069 is a deficient number, since it is larger than the sum of its proper divisors (2579891).

13957069 is an equidigital number, since it uses as much as digits as its factorization.

13957069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 13957069 is about 3735.9160857814. The cubic root of 13957069 is about 240.7676174616.

It can be divided in two parts, 1395 and 7069, that added together give a square (8464 = 92²).

The spelling of 13957069 in words is "thirteen million, nine hundred fifty-seven thousand, sixty-nine".