13402969 has 4 divisors (see below), whose sum is σ = 13463296. Its totient is φ = 13342644.

The previous prime is 13402957. The next prime is 13402979. The reversal of 13402969 is 96920431.

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 a cyclic number.

It is not a de Polignac number, because 13402969 - 2⁵ = 13402937 is a prime.

It is a super-2 number, since 2×13402969² = 359279156029922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13402979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29829 + ... + 30274.

It is an arithmetic number, because the mean of its divisors is an integer number (3365824).

Almost surely, 2^13402969 is an apocalyptic number.

It is an amenable number.

13402969 is a deficient number, since it is larger than the sum of its proper divisors (60327).

13402969 is an equidigital number, since it uses as much as digits as its factorization.

13402969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60326.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 13402969 is about 3661.0065555800. The cubic root of 13402969 is about 237.5383147788.

The spelling of 13402969 in words is "thirteen million, four hundred two thousand, nine hundred sixty-nine".