13667374 has 24 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 5787936.

The previous prime is 13667369. The next prime is 13667377. The reversal of 13667374 is 47376631.

It is a super-2 number, since 2×13667374² = 373594224111752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13667377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7939 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^13667374 is an apocalyptic number.

13667374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13667374 is a deficient number, since it is larger than the sum of its proper divisors (10464146).

13667374 is a wasteful number, since it uses less digits than its factorization.

13667374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1665 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 13667374 is about 3696.9411680469. The cubic root of 13667374 is about 239.0901546518.

It can be divided in two parts, 13667 and 374, that added together give a palindrome (14041).

The spelling of 13667374 in words is "thirteen million, six hundred sixty-seven thousand, three hundred seventy-four".