13149450 has 36 divisors (see below), whose sum is σ = 35329398. Its totient is φ = 3506400.

The previous prime is 13149431. The next prime is 13149457. The reversal of 13149450 is 5494131.

It can be written as a sum of positive squares in 3 ways, for example, as 5745609 + 7403841 = 2397^2 + 2721^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13149457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14161 + ... + 15060.

Almost surely, 2^13149450 is an apocalyptic number.

13149450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13149450 is an abundant number, since it is smaller than the sum of its proper divisors (22179948).

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

13149450 is a wasteful number, since it uses less digits than its factorization.

13149450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29239 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 13149450 is about 3626.2170370787. The cubic root of 13149450 is about 236.0310813225.

The spelling of 13149450 in words is "thirteen million, one hundred forty-nine thousand, four hundred fifty".