13117403 has 8 divisors (see below), whose sum is σ = 14297808. Its totient is φ = 11961504.

The previous prime is 13117399. The next prime is 13117409. The reversal of 13117403 is 30471131.

It is a happy number.

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 13117403 - 2² = 13117399 is a prime.

It is a super-2 number, since 2×13117403² = 344132522928818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13117409) 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, 5000 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (1787226).

Almost surely, 2^13117403 is an apocalyptic number.

13117403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13117403 is a deficient number, since it is larger than the sum of its proper divisors (1180405).

13117403 is a wasteful number, since it uses less digits than its factorization.

13117403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13117403 is about 3621.7955491717. The cubic root of 13117403 is about 235.8391787131.

Adding to 13117403 its reverse (30471131), we get a palindrome (43588534).

The spelling of 13117403 in words is "thirteen million, one hundred seventeen thousand, four hundred three".