13772895 has 8 divisors (see below), whose sum is σ = 22036656. Its totient is φ = 7345536.

The previous prime is 13772881. The next prime is 13772903. The reversal of 13772895 is 59827731.

13772895 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 sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13772895 - 2⁴ = 13772879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459082 + ... + 459111.

It is an arithmetic number, because the mean of its divisors is an integer number (2754582).

Almost surely, 2^13772895 is an apocalyptic number.

13772895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13772895 is a deficient number, since it is larger than the sum of its proper divisors (8263761).

13772895 is an equidigital number, since it uses as much as digits as its factorization.

13772895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918201.

The product of its digits is 105840, while the sum is 42.

The square root of 13772895 is about 3711.1851206858. The cubic root of 13772895 is about 239.7038882802.

The spelling of 13772895 in words is "thirteen million, seven hundred seventy-two thousand, eight hundred ninety-five".