15081313 has 8 divisors (see below), whose sum is σ = 16587648. Its totient is φ = 13624464.

The previous prime is 15081301. The next prime is 15081343. The reversal of 15081313 is 31318051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15081313 - 2¹⁷ = 14950241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15081343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11731 + ... + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (2073456).

Almost surely, 2^15081313 is an apocalyptic number.

15081313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15081313 is a deficient number, since it is larger than the sum of its proper divisors (1506335).

15081313 is a wasteful number, since it uses less digits than its factorization.

15081313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24743.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 15081313 is about 3883.4666214608. The cubic root of 15081313 is about 247.0660381702.

Adding to 15081313 its reverse (31318051), we get a palindrome (46399364).

The spelling of 15081313 in words is "fifteen million, eighty-one thousand, three hundred thirteen".