12453948 has 108 divisors (see below), whose sum is σ = 35970480. Its totient is φ = 3624192.

The previous prime is 12453929. The next prime is 12453967. The reversal of 12453948 is 84935421.

It is an interprime number because it is at equal distance from previous prime (12453929) and next prime (12453967).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 139888 + ... + 139976.

It is an arithmetic number, because the mean of its divisors is an integer number (333060).

Almost surely, 2^12453948 is an apocalyptic number.

12453948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12453948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17985240).

12453948 is an abundant number, since it is smaller than the sum of its proper divisors (23516532).

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

12453948 is a wasteful number, since it uses less digits than its factorization.

12453948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12453948 is about 3529.0151600694. The cubic root of 12453948 is about 231.7940850281.

The spelling of 12453948 in words is "twelve million, four hundred fifty-three thousand, nine hundred forty-eight".