13094240621 has 16 divisors (see below), whose sum is σ = 17184514560. Its totient is φ = 9666287280.

The previous prime is 13094240617. The next prime is 13094240623. The reversal of 13094240621 is 12604249031.

It is a cyclic number.

It is not a de Polignac number, because 13094240621 - 2² = 13094240617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13094240623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4473671 + ... + 4476596.

It is an arithmetic number, because the mean of its divisors is an integer number (1074032160).

Almost surely, 2^13094240621 is an apocalyptic number.

13094240621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13094240621 is a deficient number, since it is larger than the sum of its proper divisors (4090273939).

13094240621 is a wasteful number, since it uses less digits than its factorization.

13094240621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8950304.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 13094240621 its reverse (12604249031), we get a palindrome (25698489652).

The spelling of 13094240621 in words is "thirteen billion, ninety-four million, two hundred forty thousand, six hundred twenty-one".