13380424 has 8 divisors (see below), whose sum is σ = 25088310. Its totient is φ = 6690208.

The previous prime is 13380413. The next prime is 13380461. The reversal of 13380424 is 42408331.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 777924 = 3550^2 + 882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836269 + ... + 836284.

Almost surely, 2^13380424 is an apocalyptic number.

It is an amenable number.

13380424 is a deficient number, since it is larger than the sum of its proper divisors (11707886).

13380424 is a wasteful number, since it uses less digits than its factorization.

13380424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672559 (or 1672555 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 13380424 is about 3657.9261884297. The cubic root of 13380424 is about 237.4050530909.

Adding to 13380424 its reverse (42408331), we get a palindrome (55788755).

The spelling of 13380424 in words is "thirteen million, three hundred eighty thousand, four hundred twenty-four".