13434990 has 32 divisors (see below), whose sum is σ = 33647616. Its totient is φ = 3426720.

The previous prime is 13434989. The next prime is 13434991. The reversal of 13434990 is 9943431.

It is an interprime number because it is at equal distance from previous prime (13434989) and next prime (13434991).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434991) 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, 9046 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (1051488).

Almost surely, 2^13434990 is an apocalyptic number.

13434990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13434990 is an abundant number, since it is smaller than the sum of its proper divisors (20212626).

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

13434990 is a wasteful number, since it uses less digits than its factorization.

13434990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19504.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 13434990 is about 3665.3771975064. The cubic root of 13434990 is about 237.7273317316.

The spelling of 13434990 in words is "thirteen million, four hundred thirty-four thousand, nine hundred ninety".