13370861 has 4 divisors (see below), whose sum is σ = 15280992. Its totient is φ = 11460732.

The previous prime is 13370849. The next prime is 13370867. The reversal of 13370861 is 16807331.

13370861 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16807331 = 977 ⋅17203.

It is a cyclic number.

It is not a de Polignac number, because 13370861 - 2¹⁴ = 13354477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13370867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955055 + ... + 955068.

It is an arithmetic number, because the mean of its divisors is an integer number (3820248).

Almost surely, 2^13370861 is an apocalyptic number.

It is an amenable number.

13370861 is a deficient number, since it is larger than the sum of its proper divisors (1910131).

13370861 is an equidigital number, since it uses as much as digits as its factorization.

13370861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910130.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13370861 is about 3656.6187933664. The cubic root of 13370861 is about 237.3484817496.

The spelling of 13370861 in words is "thirteen million, three hundred seventy thousand, eight hundred sixty-one".