12266390 has 16 divisors (see below), whose sum is σ = 22792320. Its totient is φ = 4748160.

The previous prime is 12266377. The next prime is 12266393. The reversal of 12266390 is 9366221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12266393) 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, 19475 + ... + 20094.

It is an arithmetic number, because the mean of its divisors is an integer number (1424520).

Almost surely, 2^12266390 is an apocalyptic number.

12266390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12266390 is a deficient number, since it is larger than the sum of its proper divisors (10525930).

12266390 is a wasteful number, since it uses less digits than its factorization.

12266390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39607.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 12266390 is about 3502.3406459110. The cubic root of 12266390 is about 230.6245783783.

The spelling of 12266390 in words is "twelve million, two hundred sixty-six thousand, three hundred ninety".