13670370 has 80 divisors (see below), whose sum is σ = 42026688. Its totient is φ = 3123360.

The previous prime is 13670351. The next prime is 13670413. The reversal of 13670370 is 7307631.

13670370 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4465 + ... + 6875.

Almost surely, 2^13670370 is an apocalyptic number.

13670370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13670370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21013344).

13670370 is an abundant number, since it is smaller than the sum of its proper divisors (28356318).

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

13670370 is a wasteful number, since it uses less digits than its factorization.

13670370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 13670370 is about 3697.3463456917. The cubic root of 13670370 is about 239.1076235469.

The spelling of 13670370 in words is "thirteen million, six hundred seventy thousand, three hundred seventy".