13242404 has 24 divisors (see below), whose sum is σ = 26587008. Its totient is φ = 5653440.

The previous prime is 13242379. The next prime is 13242407. The reversal of 13242404 is 40424231.

13242404 = T₁₂₀ + T₁₂₁ + ... + T₄₃₂.

It is a super-2 number, since 2×13242404² = 350722527398432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13242407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8009 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (1107792).

Almost surely, 2^13242404 is an apocalyptic number.

13242404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13242404 is an abundant number, since it is smaller than the sum of its proper divisors (13344604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13242404 is a wasteful number, since it uses less digits than its factorization.

13242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 13242404 is about 3639.0114042141. The cubic root of 13242404 is about 236.5859470363.

Adding to 13242404 its reverse (40424231), we get a palindrome (53666635).

The spelling of 13242404 in words is "thirteen million, two hundred forty-two thousand, four hundred four".