13265487420 has 48 divisors (see below), whose sum is σ = 37503997440. Its totient is φ = 3503117376.

The previous prime is 13265487377. The next prime is 13265487449. The reversal of 13265487420 is 2478456231.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067080 + ... + 1079439.

It is an arithmetic number, because the mean of its divisors is an integer number (781333280).

Almost surely, 2^13265487420 is an apocalyptic number.

13265487420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13265487420 is an abundant number, since it is smaller than the sum of its proper divisors (24238510020).

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

13265487420 is a wasteful number, since it uses less digits than its factorization.

13265487420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146634 (or 2146632 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 13265487420 in words is "thirteen billion, two hundred sixty-five million, four hundred eighty-seven thousand, four hundred twenty".