13427478 has 16 divisors (see below), whose sum is σ = 29838960. Its totient is φ = 4475808.

The previous prime is 13427473. The next prime is 13427483. The reversal of 13427478 is 87472431.

It is a happy number.

13427478 is digitally balanced in base 2, 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 (13427473) and next prime (13427483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13427473) 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, 124275 + ... + 124382.

It is an arithmetic number, because the mean of its divisors is an integer number (1864935).

Almost surely, 2^13427478 is an apocalyptic number.

13427478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13427478 is an abundant number, since it is smaller than the sum of its proper divisors (16411482).

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

13427478 is a wasteful number, since it uses less digits than its factorization.

13427478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248668 (or 248662 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 13427478 is about 3664.3523302215. The cubic root of 13427478 is about 237.6830160887.

The spelling of 13427478 in words is "thirteen million, four hundred twenty-seven thousand, four hundred seventy-eight".