13071345 has 16 divisors (see below), whose sum is σ = 23902080. Its totient is φ = 5975424.

The previous prime is 13071343. The next prime is 13071347. The reversal of 13071345 is 54317031.

It is an interprime number because it is at equal distance from previous prime (13071343) and next prime (13071347).

It is not a de Polignac number, because 13071345 - 2¹ = 13071343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13071343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62140 + ... + 62349.

It is an arithmetic number, because the mean of its divisors is an integer number (1493880).

Almost surely, 2^13071345 is an apocalyptic number.

13071345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13071345 is a deficient number, since it is larger than the sum of its proper divisors (10830735).

13071345 is a wasteful number, since it uses less digits than its factorization.

13071345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124504.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13071345 is about 3615.4315095158. The cubic root of 13071345 is about 235.5628277969.

Adding to 13071345 its reverse (54317031), we get a palindrome (67388376).

The spelling of 13071345 in words is "thirteen million, seventy-one thousand, three hundred forty-five".