13469640 has 32 divisors (see below), whose sum is σ = 40409280. Its totient is φ = 3591872.

The previous prime is 13469639. The next prime is 13469657. The reversal of 13469640 is 4696431.

13469640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56004 + ... + 56243.

It is an arithmetic number, because the mean of its divisors is an integer number (1262790).

Almost surely, 2^13469640 is an apocalyptic number.

13469640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13469640 is an abundant number, since it is smaller than the sum of its proper divisors (26939640).

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

13469640 is a wasteful number, since it uses less digits than its factorization.

13469640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112261 (or 112257 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13469640 is about 3670.1008160540. The cubic root of 13469640 is about 237.9315293937.

The spelling of 13469640 in words is "thirteen million, four hundred sixty-nine thousand, six hundred forty".