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13507412 = 223376853
BaseRepresentation
bin110011100001…
…101101010100
3221102020200112
4303201231110
511424214122
61201302152
7222545132
oct63415524
927366615
1013507412
117696356
124634958
132a4c169
141b18752
1512bc2e2
hexce1b54

13507412 has 6 divisors (see below), whose sum is σ = 23637978. Its totient is φ = 6753704.

The previous prime is 13507411. The next prime is 13507427. The reversal of 13507412 is 21470531.

13507412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9523396 + 3984016 = 3086^2 + 1996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13507411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688423 + ... + 1688430.

It is an arithmetic number, because the mean of its divisors is an integer number (3939663).

Almost surely, 213507412 is an apocalyptic number.

It is an amenable number.

13507412 is a deficient number, since it is larger than the sum of its proper divisors (10130566).

13507412 is a wasteful number, since it uses less digits than its factorization.

13507412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376857 (or 3376855 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13507412 is about 3675.2431212098. The cubic root of 13507412 is about 238.1537269210.

Adding to 13507412 its reverse (21470531), we get a palindrome (34977943).

The spelling of 13507412 in words is "thirteen million, five hundred seven thousand, four hundred twelve".

Divisors: 1 2 4 3376853 6753706 13507412