13040052 has 24 divisors (see below), whose sum is σ = 30544416. Its totient is φ = 4329888.

The previous prime is 13040029. The next prime is 13040059. The reversal of 13040052 is 25004031.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (1272684).

Almost surely, 2^13040052 is an apocalyptic number.

13040052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13040052 is an abundant number, since it is smaller than the sum of its proper divisors (17504364).

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

13040052 is a wasteful number, since it uses less digits than its factorization.

13040052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 13040052 is about 3611.1012170805. The cubic root of 13040052 is about 235.3746972493.

Adding to 13040052 its reverse (25004031), we get a palindrome (38044083).

The spelling of 13040052 in words is "thirteen million, forty thousand, fifty-two".