13970486 has 4 divisors (see below), whose sum is σ = 20955732. Its totient is φ = 6985242.

The previous prime is 13970483. The next prime is 13970501. The reversal of 13970486 is 68407931.

13970486 is digitally balanced in base 2, because in such base 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 an emirpimes, since its reverse is a distinct semiprime: 68407931 = 37 ⋅1848863.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492620 + ... + 3492623.

It is an arithmetic number, because the mean of its divisors is an integer number (5238933).

Almost surely, 2^13970486 is an apocalyptic number.

13970486 is a deficient number, since it is larger than the sum of its proper divisors (6985246).

13970486 is an equidigital number, since it uses as much as digits as its factorization.

13970486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985245.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13970486 is about 3737.7113318179. The cubic root of 13970486 is about 240.8447431234.

The spelling of 13970486 in words is "thirteen million, nine hundred seventy thousand, four hundred eighty-six".