13466890 has 32 divisors (see below), whose sum is σ = 26372304. Its totient is φ = 4930560.

The previous prime is 13466881. The next prime is 13466917. The reversal of 13466890 is 9866431.

It can be written as a sum of positive squares in 8 ways, for example, as 12952801 + 514089 = 3599^2 + 717^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5220 + ... + 7360.

Almost surely, 2^13466890 is an apocalyptic number.

13466890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13466890 is a deficient number, since it is larger than the sum of its proper divisors (12905414).

13466890 is a wasteful number, since it uses less digits than its factorization.

13466890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 13466890 is about 3669.7261478208. The cubic root of 13466890 is about 237.9153360324.

The spelling of 13466890 in words is "thirteen million, four hundred sixty-six thousand, eight hundred ninety".