13377838 has 4 divisors (see below), whose sum is σ = 20066760. Its totient is φ = 6688918.

The previous prime is 13377829. The next prime is 13377839. The reversal of 13377838 is 83877331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83877331 = 1453 ⋅57727.

It is a super-3 number, since 3×13377838³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13377838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13377839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3344458 + ... + 3344461.

It is an arithmetic number, because the mean of its divisors is an integer number (5016690).

Almost surely, 2^13377838 is an apocalyptic number.

13377838 is a deficient number, since it is larger than the sum of its proper divisors (6688922).

13377838 is an equidigital number, since it uses as much as digits as its factorization.

13377838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688921.

The product of its digits is 84672, while the sum is 40.

The square root of 13377838 is about 3657.5726923740. The cubic root of 13377838 is about 237.3897578850.

The spelling of 13377838 in words is "thirteen million, three hundred seventy-seven thousand, eight hundred thirty-eight".