13374399 has 4 divisors (see below), whose sum is σ = 17832536. Its totient is φ = 8916264.

The previous prime is 13374397. The next prime is 13374401. The reversal of 13374399 is 99347331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13374397) and next prime (13374401).

It is not a de Polignac number, because 13374399 - 2¹ = 13374397 is a prime.

It is a super-2 number, since 2×13374399² = 357749097222402, 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 (13374397) 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, 2229064 + ... + 2229069.

It is an arithmetic number, because the mean of its divisors is an integer number (4458134).

Almost surely, 2^13374399 is an apocalyptic number.

13374399 is a deficient number, since it is larger than the sum of its proper divisors (4458137).

13374399 is an equidigital number, since it uses as much as digits as its factorization.

13374399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458136.

The product of its digits is 61236, while the sum is 39.

The square root of 13374399 is about 3657.1025416305. The cubic root of 13374399 is about 237.3694144547.

The spelling of 13374399 in words is "thirteen million, three hundred seventy-four thousand, three hundred ninety-nine".