13999470 has 16 divisors (see below), whose sum is σ = 33598800. Its totient is φ = 3733184.

The previous prime is 13999463. The next prime is 13999471. The reversal of 13999470 is 7499931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233295 + ... + 233354.

It is an arithmetic number, because the mean of its divisors is an integer number (2099925).

Almost surely, 2^13999470 is an apocalyptic number.

13999470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13999470 is an abundant number, since it is smaller than the sum of its proper divisors (19599330).

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

13999470 is a wasteful number, since it uses less digits than its factorization.

13999470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466659.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 13999470 is about 3741.5865618745. The cubic root of 13999470 is about 241.0111850091.

The spelling of 13999470 in words is "thirteen million, nine hundred ninety-nine thousand, four hundred seventy".