12549450 has 24 divisors (see below), whose sum is σ = 31123008. Its totient is φ = 3346480.

The previous prime is 12549419. The next prime is 12549457. The reversal of 12549450 is 5494521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12549457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41682 + ... + 41981.

It is an arithmetic number, because the mean of its divisors is an integer number (1296792).

Almost surely, 2^12549450 is an apocalyptic number.

12549450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12549450 is an abundant number, since it is smaller than the sum of its proper divisors (18573558).

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

12549450 is a wasteful number, since it uses less digits than its factorization.

12549450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83678 (or 83673 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12549450 is about 3542.5202892856. The cubic root of 12549450 is about 232.3850744303.

The spelling of 12549450 in words is "twelve million, five hundred forty-nine thousand, four hundred fifty".