13478907 has 16 divisors (see below), whose sum is σ = 19722528. Its totient is φ = 8136960.

The previous prime is 13478903. The next prime is 13478911. The reversal of 13478907 is 70987431.

13478907 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13478903) and next prime (13478911).

It is not a de Polignac number, because 13478907 - 2² = 13478903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13478903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (1232658).

Almost surely, 2^13478907 is an apocalyptic number.

13478907 is a deficient number, since it is larger than the sum of its proper divisors (6243621).

13478907 is a wasteful number, since it uses less digits than its factorization.

13478907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 13478907 is about 3671.3630983601. The cubic root of 13478907 is about 237.9860818544.

The spelling of 13478907 in words is "thirteen million, four hundred seventy-eight thousand, nine hundred seven".