13404052 has 6 divisors (see below), whose sum is σ = 23457098. Its totient is φ = 6702024.

The previous prime is 13404047. The next prime is 13404067. The reversal of 13404052 is 25040431.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 125316 = 3644^2 + 354^2 .

It is a super-2 number, since 2×13404052² = 359337220037408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1675503 + ... + 1675510.

Almost surely, 2^13404052 is an apocalyptic number.

It is an amenable number.

13404052 is a deficient number, since it is larger than the sum of its proper divisors (10053046).

13404052 is a wasteful number, since it uses less digits than its factorization.

13404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351017 (or 3351015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13404052 is about 3661.1544627344. The cubic root of 13404052 is about 237.5447125420.

Adding to 13404052 its reverse (25040431), we get a palindrome (38444483).

The spelling of 13404052 in words is "thirteen million, four hundred four thousand, fifty-two".