13240051 has 4 divisors (see below), whose sum is σ = 14443704. Its totient is φ = 12036400.

The previous prime is 13240049. The next prime is 13240057. The reversal of 13240051 is 15004231.

13240051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13240051 - 2¹ = 13240049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13240057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601810 + ... + 601831.

It is an arithmetic number, because the mean of its divisors is an integer number (3610926).

Almost surely, 2^13240051 is an apocalyptic number.

13240051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13240051 is a deficient number, since it is larger than the sum of its proper divisors (1203653).

13240051 is a wasteful number, since it uses less digits than its factorization.

13240051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203652.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13240051 is about 3638.6880877591. The cubic root of 13240051 is about 236.5719334753.

Adding to 13240051 its reverse (15004231), we get a palindrome (28244282).

The spelling of 13240051 in words is "thirteen million, two hundred forty thousand, fifty-one".