13367890 has 16 divisors (see below), whose sum is σ = 24143832. Its totient is φ = 5329024.

The previous prime is 13367843. The next prime is 13367891. The reversal of 13367890 is 9876331.

It can be written as a sum of positive squares in 4 ways, for example, as 10131489 + 3236401 = 3183^2 + 1799^2 .

It is not an unprimeable number, because it can be changed into a prime (13367891) 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, 1062 + ... + 5278.

Almost surely, 2^13367890 is an apocalyptic number.

13367890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13367890 is a deficient number, since it is larger than the sum of its proper divisors (10775942).

13367890 is a wasteful number, since it uses less digits than its factorization.

13367890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13367890 is about 3656.2125211754. The cubic root of 13367890 is about 237.3309008679.

The spelling of 13367890 in words is "thirteen million, three hundred sixty-seven thousand, eight hundred ninety".