12449670 has 32 divisors (see below), whose sum is σ = 31180032. Its totient is φ = 3175392.

The previous prime is 12449663. The next prime is 12449677. The reversal of 12449670 is 7694421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12449663) and next prime (12449677).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449677) 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, 8332 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (974376).

Almost surely, 2^12449670 is an apocalyptic number.

12449670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12449670 is an abundant number, since it is smaller than the sum of its proper divisors (18730362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12449670 is a wasteful number, since it uses less digits than its factorization.

12449670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12449670 is about 3528.4089898990. The cubic root of 12449670 is about 231.7675411386.

It can be divided in two parts, 124 and 49670, that added together give a palindrome (49794).

The spelling of 12449670 in words is "twelve million, four hundred forty-nine thousand, six hundred seventy".