13870245 has 8 divisors (see below), whose sum is σ = 22192416. Its totient is φ = 7397456.

The previous prime is 13870243. The next prime is 13870253. The reversal of 13870245 is 54207831.

13870245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13870245 - 2¹ = 13870243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870243) 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, 462327 + ... + 462356.

It is an arithmetic number, because the mean of its divisors is an integer number (2774052).

Almost surely, 2^13870245 is an apocalyptic number.

13870245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13870245 is a deficient number, since it is larger than the sum of its proper divisors (8322171).

13870245 is an equidigital number, since it uses as much as digits as its factorization.

13870245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924691.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13870245 is about 3724.2777823358. The cubic root of 13870245 is about 240.2673236591.

The spelling of 13870245 in words is "thirteen million, eight hundred seventy thousand, two hundred forty-five".