13590378 has 48 divisors (see below), whose sum is σ = 32550336. Its totient is φ = 4076160.

The previous prime is 13590277. The next prime is 13590383. The reversal of 13590378 is 87309531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6073 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (678132).

Almost surely, 2^13590378 is an apocalyptic number.

13590378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13590378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16275168).

13590378 is an abundant number, since it is smaller than the sum of its proper divisors (18959958).

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

13590378 is a wasteful number, since it uses less digits than its factorization.

13590378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13590378 is about 3686.5129865498. The cubic root of 13590378 is about 238.6403324807.

It can be divided in two parts, 135903 and 78, that added together give a triangular number (135981 = T₅₂₁).

The spelling of 13590378 in words is "thirteen million, five hundred ninety thousand, three hundred seventy-eight".