12206474 has 32 divisors (see below), whose sum is σ = 22281600. Its totient is φ = 4898880.

The previous prime is 12206473. The next prime is 12206497. The reversal of 12206474 is 47460221.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12206473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28784 + ... + 29204.

It is an arithmetic number, because the mean of its divisors is an integer number (696300).

Almost surely, 2^12206474 is an apocalyptic number.

12206474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12206474 is a deficient number, since it is larger than the sum of its proper divisors (10075126).

12206474 is a wasteful number, since it uses less digits than its factorization.

12206474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 12206474 is about 3493.7764668049. The cubic root of 12206474 is about 230.2484649504.

Adding to 12206474 its reverse (47460221), we get a palindrome (59666695).

The spelling of 12206474 in words is "twelve million, two hundred six thousand, four hundred seventy-four".